Removed polymer & mirror from Observatory

runtime/observatory/lib/src/elements/curly_block_wrapper.dart

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'dart:html';
-
-import 'package:observatory/app.dart';
-import 'package:observatory/src/elements/curly_block.dart';
-import 'package:observatory/src/elements/helpers/tag.dart';
-import 'package:observatory/src/elements/shims/binding.dart';
-
-typedef _callback();
-typedef CurlyBlockToggleCallback(bool a, _callback b);
-
-@bindable
-class CurlyBlockElementWrapper extends HtmlElement {
-
-  static const binder = const Binder<CurlyBlockElementWrapper>(const {
-      'expand': #expand, 'busy': #busy, 'expandKey': #expandKey,
-      'callback': #callback
-    });
-
-  static const tag = const Tag<CurlyBlockElementWrapper>('curly-block');
-
-  bool _expand;
-  bool get expand => _expand;
-  set expand(bool expanded) {
-    _expand = !(expanded == null || expanded == false);
-    render();
-  }
-
-  bool _busy;
-  bool get busy => _busy;
-  set busy(bool busy) {
-    _busy = !(busy == null || busy == false);
-    render();
-  }
-
-  String _expandKey;
-  String get expandKey => _expandKey;
-  set expandKey(String expandKey) {
-    _expandKey = expandKey;
-    if (expandKey != null) {
-      var value = application.expansions[expandKey];
-      if (value != null && expand != value) {
-
-      }
-    }
-    render();
-  }
-
-  CurlyBlockToggleCallback _callback;
-  CurlyBlockToggleCallback get callback => _callback;
-  set callback(CurlyBlockToggleCallback callback) {
-    _callback = callback;
-    render();
-  }
-
-  CurlyBlockElementWrapper.created() : super.created() {
-    binder.registerCallback(this);
-    createShadowRoot();
-    _expand = !_isFalseOrNull(getAttribute('expand'));
-    _busy = !_isFalseOrNull(getAttribute('busy'));
-    _expandKey = getAttribute('expandKey');
-  }
-
-  @override
-  void attached() {
-    super.attached();
-    render();
-  }
-
-  void render() {
-    shadowRoot.children = [
-      new CurlyBlockElement(expanded: expand, disabled: busy,
-                                 queue: ObservatoryApplication.app.queue)
-        ..children = [new ContentElement()]
-        ..onToggle.listen(_toggle)
-    ];
-  }
-
-  ObservatoryApplication get application => ObservatoryApplication.app;
-
-  void _toggle(CurlyBlockToggleEvent e) {
-    _expand = e.control.expanded;
-    if (callback != null) {
-      busy = true;
-      callback(expand, () {
-        if (expandKey != null) {
-          application.expansions[expandKey] = expand;
-        }
-        busy = false;
-      });
-    } else {
-      application.expansions[expandKey] = expand;
-    }
-  }
-
-  bool _isFalseOrNull(String value) {
-    return value == null || value == false;
-  }
-}